Bugfix.

[software/sercom-old.git] / doc / examples / Makefile-cpp

diff --git a/doc/examples/Makefile-cpp b/doc/examples/Makefile-cpp
index 4330eb78be54c0a2b5e1ba957f3fe58fc97b95bb..49862808f5d7ad7a5a36a1906bdff626f10ca516 100644 (file)
--- a/doc/examples/Makefile-cpp
+++ b/doc/examples/Makefile-cpp
@@ -68,6 +68,11 @@ all: $(target)
 o_files = $(patsubst %.$(extension),%.o,$(fuentes))
 
 $(target): $(o_files)
+       @if [ -z "$(o_files)" ]; \
+       then \
+               echo "No hay archivos de entrada, recuerde que la extensión debe ser '.$(extension)'."; \
+               false; \
+       fi >&2
        $(enlazador) $(LDFLAGS) $(o_files) $(LOADLIBES) $(LDLIBS) -o $(target)
 
 clean: